What is the maximum transmission distance and transmitter laser type for this 10G CWDM SFP+ optic?

The module features a cooled EML laser transmitter paired with a high-sensitivity PIN photodiode, delivering a maximum link distance of up to 40km over standard G.652 single-mode fiber (SMF).

Can I use this CWDM 1570nm module over a standard duplex LC single-mode fiber patch cable without an optical multiplexer?

Yes, you can use it over a direct point-to-point duplex LC SMF link up to 40km, provided both ends operate on the matched 1570nm wavelength, or connect it through a CWDM MUX DEMUX filter to combine multiple wavelengths over a single fiber pair.

Does the LS-CW5710-40C module support real-time Digital Diagnostics Monitoring (DDM/DOM) for optical power tracking?

Absolutely. It features integrated DDM/DOM via a 2-wire serial interface according to SFF-8472, allowing network engineers to monitor real-time RX/TX optical power, temperature, laser bias current, and supply voltage.

Are these LINK-PP LS-CW5710-40C 10G SFP+ CWDM 1570nm 40km transceivers fully compatible with Cisco and Dell switches without vendor lock-in warnings?

Yes, these transceivers are fully SFP+ MSA and SFF-8472 compliant, engineered to support OEM compatibility across major switch brands including Cisco, Dell, Juniper, Arista, and Mikrotik for seamless plug-and-play installation.

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Alcatel-Lucent CW-SFP10G40-57 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module

Name: Alcatel-Lucent CW-SFP10G40-57 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 224134
Price: 220.16 USD
Availability: InStock
Rating: 4.9 (25 reviews)

# 224134

Product: Alcatel-Lucent CW-SFP10G40-57 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module
SKU: 224134
P/N: LS-CW5710-40C
Price: $ 256
Stock: 674 in Stock
Sold: 358
Product URL: https://www.l-p.com/products/495388.htm

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Manufacture: LINK-PP

P/N: LS-CW5710-40C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Brocade; Ciena; Dell; FS; Generic; H3C; HPE; Juniper

Wavelength:: 1270nm; 1290nm; 1310nm; 1330nm; 1350nm; 1370nm; 1390nm; 1410nm; 1430nm; 1450nm; 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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Alcatel-Lucent CW-SFP10G40-57 Compatible LINK-PP 10G SFP+ Specifications

The Alcatel-Lucent CW-SFP10G40-57 Compatible LINK-PP 10G SFP+ transceiver offers dependable 10Gbps connectivity at the 1570 nm CWDM wavelength and supports transmission distances of up to 40 km over SMF. Its hot-pluggable SFP+ form factor enables easy integration into LINK-PP-compatible networking equipment.

Alcatel-Lucent Part Number	CW-SFP10G40-57	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1570nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	<-16dBm	Receiver Overload	0dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T

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Q: What is the maximum transmission distance and transmitter laser type for this 10G CWDM SFP+ optic? By B***z on 2026-04-06

A: The module features a cooled EML laser transmitter paired with a high-sensitivity PIN photodiode, delivering a maximum link distance of up to 40km over standard G.652 single-mode fiber (SMF). By admin on 2026-04-06
Q: Can I use this CWDM 1570nm module over a standard duplex LC single-mode fiber patch cable without an optical multiplexer? By G***s on 2026-03-27

A: Yes, you can use it over a direct point-to-point duplex LC SMF link up to 40km, provided both ends operate on the matched 1570nm wavelength, or connect it through a CWDM MUX DEMUX filter to combine multiple wavelengths over a single fiber pair. By admin on 2026-03-27
Q: Does the LS-CW5710-40C module support real-time Digital Diagnostics Monitoring (DDM/DOM) for optical power tracking? By A***l on 2025-08-27

A: Absolutely. It features integrated DDM/DOM via a 2-wire serial interface according to SFF-8472, allowing network engineers to monitor real-time RX/TX optical power, temperature, laser bias current, and supply voltage. By admin on 2025-08-28
Q: Are these LINK-PP LS-CW5710-40C 10G SFP+ CWDM 1570nm 40km transceivers fully compatible with Cisco and Dell switches without vendor lock-in warnings? By P***z on 2024-02-24

A: Yes, these transceivers are fully SFP+ MSA and SFF-8472 compliant, engineered to support OEM compatibility across major switch brands including Cisco, Dell, Juniper, Arista, and Mikrotik for seamless plug-and-play installation. By admin on 2024-02-24

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G***z

Sweden

Verified Purchase

5 .0

2026-04-29

Worked instantly.

23 Helpful vote Comments

C***z

Romania

Verified Purchase

5 .0

2026-03-30

Fast setup.

26 Helpful vote Comments

R***g

Poland

Verified Purchase

5 .0

2026-03-16

Excellent CWDM 1570nm transceiver for campus fiber backbone links! Optical power levels on DDM are right on target across a 28km single-mode fiber span. =D

3 Helpful vote Comments

C***n

Belarus

Verified Purchase

5 .0

2026-03-11

Works great in our Mikrotik CCR2116 router. The duplex LC SMF connection locked in at 10G Ethernet with zero bit errors logged so far. ;)

75 Helpful vote Comments

S***n

Netherlands

Verified Purchase

5 .0

2025-09-18

Recommended.

79 Helpful vote Comments

A***n

Romania

Verified Purchase

5 .0

2025-06-18

Upgraded our long-haul enterprise ring with these SFP+ 10G CWDM modules. The duplex LC/UPC connector clicks in firmly, and the optical link budget easily handled our 32km single-mode fiber run with budget to spare. ;)

86 Helpful vote Comments

D***n

Canada

Verified Purchase

5 .0

2025-04-01

Prompt service, good price, excellent quality product -- what more can you ask?

43 Helpful vote Comments

L***z

Austria

Verified Purchase

5 .0

2025-01-13

High quality.

15 Helpful vote Comments

J***s

Taiwan, Province of China

Verified Purchase

4 .0

2024-12-25

Transceiver works fine on 40km SMF, but DHL delivery took an extra two days due to customs holding the paperwork. =/

11 Helpful vote Comments

M***s

Spain

Verified Purchase

5 .0

2024-11-26

We deployed a batch of these LINK-PP LS-CW5710-40C optics inside an outdoor enclosure for 5G basehaul transport. Operating temperatures stayed well within tolerance during summer, and the PIN photodiode receiver sensitivity holds strong with low attenuation. Solid build quality!

9 Helpful vote Comments

O***t

Belgium

Verified Purchase

5 .0

2024-11-09

Excellent service. They called and emailed when a part ordered had incorrect description, and they corrected the order with a better part for free.

36 Helpful vote Comments

E***s

Malaysia

Verified Purchase

5 .0

2024-10-26

Perfect optics.

49 Helpful vote Comments

A***r

Canada

Verified Purchase

5 .0

2024-09-24

Purchased 8 units of these 10G 1570nm 40km DOM optics for enterprise data center interconnects over passive CWDM MUX DEMUX units. Real-time digital diagnostic monitoring via SFF-8472 makes optical power monitoring super easy through SNMP. :-D

62 Helpful vote Comments

M***s

Singapore

Verified Purchase

5 .0

2024-07-25

it’s always a pleasure to do business with LINK-PP.

63 Helpful vote Comments

M***z

Turkey

Verified Purchase

5 .0

2024-06-04

Perfect link!

61 Helpful vote Comments

L***l

Norway

Verified Purchase

5 .0

2024-04-01

Excellent service once again from l-p.com

60 Helpful vote Comments

H***s

Nepal

Verified Purchase

5 .0

2024-02-18

Great value!

91 Helpful vote Comments

N***s

Iran, Islamic Republic of

Verified Purchase

4 .0

2024-01-21

The optic performance is rock solid on our Juniper MX204, but the outer cardboard box arrived slightly squished. Glad the anti-static packaging kept the duplex LC interface unharmed.

70 Helpful vote Comments

K***n

United States

Verified Purchase

5 .0

2023-11-29

I was kept well informed of the status of my order. It all arrived on the scheduled date and was in perfect condition. Can't wait to use it.

99 Helpful vote Comments

C***a

Austria

Verified Purchase

5 .0